| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.room.solver.query.result |
| |
| import androidx.room.ext.AndroidTypeNames |
| import androidx.room.ext.L |
| import androidx.room.ext.N |
| import androidx.room.ext.T |
| import androidx.room.solver.CodeGenScope |
| import com.squareup.javapoet.FieldSpec |
| |
| class CursorQueryResultBinder : QueryResultBinder(NO_OP_RESULT_ADAPTER) { |
| override fun convertAndReturn( |
| roomSQLiteQueryVar: String, |
| canReleaseQuery: Boolean, |
| dbField: FieldSpec, |
| inTransaction: Boolean, |
| scope: CodeGenScope |
| ) { |
| val builder = scope.builder() |
| val transactionWrapper = if (inTransaction) { |
| builder.transactionWrapper(dbField) |
| } else { |
| null |
| } |
| transactionWrapper?.beginTransactionWithControlFlow() |
| val resultName = scope.getTmpVar("_tmpResult") |
| builder.addStatement( |
| "final $T $L = $N.query($L)", AndroidTypeNames.CURSOR, resultName, |
| dbField, roomSQLiteQueryVar |
| ) |
| transactionWrapper?.commitTransaction() |
| builder.addStatement("return $L", resultName) |
| transactionWrapper?.endTransactionWithControlFlow() |
| } |
| |
| companion object { |
| private val NO_OP_RESULT_ADAPTER = object : QueryResultAdapter(emptyList()) { |
| override fun convert(outVarName: String, cursorVarName: String, scope: CodeGenScope) { |
| } |
| } |
| } |
| } |